#ifndef __wglext_h_
#define __wglext_h_

#ifdef __cplusplus
extern "C" {
#endif

	/*
	** License Applicability. Except to the extent portions of this file are
	** made subject to an alternative license as permitted in the SGI Free
	** Software License B, Version 1.1 (the "License"), the contents of this
	** file are subject only to the provisions of the License. You may not use
	** this file except in compliance with the License. You may obtain a copy
	** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
	** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
	**
	** http://oss.sgi.com/projects/FreeB
	**
	** Note that, as provided in the License, the Software is distributed on an
	** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
	** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
	** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
	** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
	**
	** Original Code. The Original Code is: OpenGL Sample Implementation,
	** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
	** Inc. The Original Code is Copyright (c) 1991-2002 Silicon Graphics, Inc.
	** Copyright in any portions created by third parties is as indicated
	** elsewhere herein. All Rights Reserved.
	**
	** Additional Notice Provisions: This software was created using the
	** OpenGL(R) version 1.2.1 Sample Implementation published by SGI, but has
	** not been independently verified as being compliant with the OpenGL(R)
	** version 1.2.1 Specification.
	*/

#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif

#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef APIENTRYP
#define APIENTRYP APIENTRY *
#endif
#ifndef GLAPI
#define GLAPI extern
#endif

	/*************************************************************/

	/* Header file version number */
	/* wglext.h last updated 2002/03/22 */
	/* Current version at http://oss.sgi.com/projects/ogl-sample/registry/ */
#define WGL_WGLEXT_VERSION 4

#ifndef WGL_ARB_buffer_region
#define WGL_FRONT_COLOR_BUFFER_BIT_ARB 0x00000001
#define WGL_BACK_COLOR_BUFFER_BIT_ARB  0x00000002
#define WGL_DEPTH_BUFFER_BIT_ARB       0x00000004
#define WGL_STENCIL_BUFFER_BIT_ARB     0x00000008
#endif

#ifndef WGL_ARB_multisample
#define WGL_SAMPLE_BUFFERS_ARB         0x2041
#define WGL_SAMPLES_ARB                0x2042
#endif

#ifndef WGL_ARB_extensions_string
#endif

#ifndef WGL_ARB_pixel_format
#define WGL_NUMBER_PIXEL_FORMATS_ARB   0x2000
#define WGL_DRAW_TO_WINDOW_ARB         0x2001
#define WGL_DRAW_TO_BITMAP_ARB         0x2002
#define WGL_ACCELERATION_ARB           0x2003
#define WGL_NEED_PALETTE_ARB           0x2004
#define WGL_NEED_SYSTEM_PALETTE_ARB    0x2005
#define WGL_SWAP_LAYER_BUFFERS_ARB     0x2006
#define WGL_SWAP_METHOD_ARB            0x2007
#define WGL_NUMBER_OVERLAYS_ARB        0x2008
#define WGL_NUMBER_UNDERLAYS_ARB       0x2009
#define WGL_TRANSPARENT_ARB            0x200A
#define WGL_TRANSPARENT_RED_VALUE_ARB  0x2037
#define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038
#define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039
#define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A
#define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B
#define WGL_SHARE_DEPTH_ARB            0x200C
#define WGL_SHARE_STENCIL_ARB          0x200D
#define WGL_SHARE_ACCUM_ARB            0x200E
#define WGL_SUPPORT_GDI_ARB            0x200F
#define WGL_SUPPORT_OPENGL_ARB         0x2010
#define WGL_DOUBLE_BUFFER_ARB          0x2011
#define WGL_STEREO_ARB                 0x2012
#define WGL_PIXEL_TYPE_ARB             0x2013
#define WGL_COLOR_BITS_ARB             0x2014
#define WGL_RED_BITS_ARB               0x2015
#define WGL_RED_SHIFT_ARB              0x2016
#define WGL_GREEN_BITS_ARB             0x2017
#define WGL_GREEN_SHIFT_ARB            0x2018
#define WGL_BLUE_BITS_ARB              0x2019
#define WGL_BLUE_SHIFT_ARB             0x201A
#define WGL_ALPHA_BITS_ARB             0x201B
#define WGL_ALPHA_SHIFT_ARB            0x201C
#define WGL_ACCUM_BITS_ARB             0x201D
#define WGL_ACCUM_RED_BITS_ARB         0x201E
#define WGL_ACCUM_GREEN_BITS_ARB       0x201F
#define WGL_ACCUM_BLUE_BITS_ARB        0x2020
#define WGL_ACCUM_ALPHA_BITS_ARB       0x2021
#define WGL_DEPTH_BITS_ARB             0x2022
#define WGL_STENCIL_BITS_ARB           0x2023
#define WGL_AUX_BUFFERS_ARB            0x2024
#define WGL_NO_ACCELERATION_ARB        0x2025
#define WGL_GENERIC_ACCELERATION_ARB   0x2026
#define WGL_FULL_ACCELERATION_ARB      0x2027
#define WGL_SWAP_EXCHANGE_ARB          0x2028
#define WGL_SWAP_COPY_ARB              0x2029
#define WGL_SWAP_UNDEFINED_ARB         0x202A
#define WGL_TYPE_RGBA_ARB              0x202B
#define WGL_TYPE_COLORINDEX_ARB        0x202C
#endif

#ifndef WGL_ARB_make_current_read
#define ERROR_INVALID_PIXEL_TYPE_ARB   0x2043
#define ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB 0x2054
#endif

#ifndef WGL_ARB_pbuffer
#define WGL_DRAW_TO_PBUFFER_ARB        0x202D
#define WGL_MAX_PBUFFER_PIXELS_ARB     0x202E
#define WGL_MAX_PBUFFER_WIDTH_ARB      0x202F
#define WGL_MAX_PBUFFER_HEIGHT_ARB     0x2030
#define WGL_PBUFFER_LARGEST_ARB        0x2033
#define WGL_PBUFFER_WIDTH_ARB          0x2034
#define WGL_PBUFFER_HEIGHT_ARB         0x2035
#define WGL_PBUFFER_LOST_ARB           0x2036
#endif

#ifndef WGL_ARB_render_texture
#define WGL_BIND_TO_TEXTURE_RGB_ARB    0x2070
#define WGL_BIND_TO_TEXTURE_RGBA_ARB   0x2071
#define WGL_TEXTURE_FORMAT_ARB         0x2072
#define WGL_TEXTURE_TARGET_ARB         0x2073
#define WGL_MIPMAP_TEXTURE_ARB         0x2074
#define WGL_TEXTURE_RGB_ARB            0x2075
#define WGL_TEXTURE_RGBA_ARB           0x2076
#define WGL_NO_TEXTURE_ARB             0x2077
#define WGL_TEXTURE_CUBE_MAP_ARB       0x2078
#define WGL_TEXTURE_1D_ARB             0x2079
#define WGL_TEXTURE_2D_ARB             0x207A
#define WGL_MIPMAP_LEVEL_ARB           0x207B
#define WGL_CUBE_MAP_FACE_ARB          0x207C
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB 0x207D
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB 0x207E
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB 0x207F
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB 0x2080
#define WGL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB 0x2081
#define WGL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB 0x2082
#define WGL_FRONT_LEFT_ARB             0x2083
#define WGL_FRONT_RIGHT_ARB            0x2084
#define WGL_BACK_LEFT_ARB              0x2085
#define WGL_BACK_RIGHT_ARB             0x2086
#define WGL_AUX0_ARB                   0x2087
#define WGL_AUX1_ARB                   0x2088
#define WGL_AUX2_ARB                   0x2089
#define WGL_AUX3_ARB                   0x208A
#define WGL_AUX4_ARB                   0x208B
#define WGL_AUX5_ARB                   0x208C
#define WGL_AUX6_ARB                   0x208D
#define WGL_AUX7_ARB                   0x208E
#define WGL_AUX8_ARB                   0x208F
#define WGL_AUX9_ARB                   0x2090
#endif

#ifndef WGL_EXT_make_current_read
#define ERROR_INVALID_PIXEL_TYPE_EXT   0x2043
#endif

#ifndef WGL_EXT_pixel_format
#define WGL_NUMBER_PIXEL_FORMATS_EXT   0x2000
#define WGL_DRAW_TO_WINDOW_EXT         0x2001
#define WGL_DRAW_TO_BITMAP_EXT         0x2002
#define WGL_ACCELERATION_EXT           0x2003
#define WGL_NEED_PALETTE_EXT           0x2004
#define WGL_NEED_SYSTEM_PALETTE_EXT    0x2005
#define WGL_SWAP_LAYER_BUFFERS_EXT     0x2006
#define WGL_SWAP_METHOD_EXT            0x2007
#define WGL_NUMBER_OVERLAYS_EXT        0x2008
#define WGL_NUMBER_UNDERLAYS_EXT       0x2009
#define WGL_TRANSPARENT_EXT            0x200A
#define WGL_TRANSPARENT_VALUE_EXT      0x200B
#define WGL_SHARE_DEPTH_EXT            0x200C
#define WGL_SHARE_STENCIL_EXT          0x200D
#define WGL_SHARE_ACCUM_EXT            0x200E
#define WGL_SUPPORT_GDI_EXT            0x200F
#define WGL_SUPPORT_OPENGL_EXT         0x2010
#define WGL_DOUBLE_BUFFER_EXT          0x2011
#define WGL_STEREO_EXT                 0x2012
#define WGL_PIXEL_TYPE_EXT             0x2013
#define WGL_COLOR_BITS_EXT             0x2014
#define WGL_RED_BITS_EXT               0x2015
#define WGL_RED_SHIFT_EXT              0x2016
#define WGL_GREEN_BITS_EXT             0x2017
#define WGL_GREEN_SHIFT_EXT            0x2018
#define WGL_BLUE_BITS_EXT              0x2019
#define WGL_BLUE_SHIFT_EXT             0x201A
#define WGL_ALPHA_BITS_EXT             0x201B
#define WGL_ALPHA_SHIFT_EXT            0x201C
#define WGL_ACCUM_BITS_EXT             0x201D
#define WGL_ACCUM_RED_BITS_EXT         0x201E
#define WGL_ACCUM_GREEN_BITS_EXT       0x201F
#define WGL_ACCUM_BLUE_BITS_EXT        0x2020
#define WGL_ACCUM_ALPHA_BITS_EXT       0x2021
#define WGL_DEPTH_BITS_EXT             0x2022
#define WGL_STENCIL_BITS_EXT           0x2023
#define WGL_AUX_BUFFERS_EXT            0x2024
#define WGL_NO_ACCELERATION_EXT        0x2025
#define WGL_GENERIC_ACCELERATION_EXT   0x2026
#define WGL_FULL_ACCELERATION_EXT      0x2027
#define WGL_SWAP_EXCHANGE_EXT          0x2028
#define WGL_SWAP_COPY_EXT              0x2029
#define WGL_SWAP_UNDEFINED_EXT         0x202A
#define WGL_TYPE_RGBA_EXT              0x202B
#define WGL_TYPE_COLORINDEX_EXT        0x202C
#endif

#ifndef WGL_EXT_pbuffer
#define WGL_DRAW_TO_PBUFFER_EXT        0x202D
#define WGL_MAX_PBUFFER_PIXELS_EXT     0x202E
#define WGL_MAX_PBUFFER_WIDTH_EXT      0x202F
#define WGL_MAX_PBUFFER_HEIGHT_EXT     0x2030
#define WGL_OPTIMAL_PBUFFER_WIDTH_EXT  0x2031
#define WGL_OPTIMAL_PBUFFER_HEIGHT_EXT 0x2032
#define WGL_PBUFFER_LARGEST_EXT        0x2033
#define WGL_PBUFFER_WIDTH_EXT          0x2034
#define WGL_PBUFFER_HEIGHT_EXT         0x2035
#endif

#ifndef WGL_EXT_depth_float
#define WGL_DEPTH_FLOAT_EXT            0x2040
#endif

#ifndef WGL_3DFX_multisample
#define WGL_SAMPLE_BUFFERS_3DFX        0x2060
#define WGL_SAMPLES_3DFX               0x2061
#endif

#ifndef WGL_EXT_multisample
#define WGL_SAMPLE_BUFFERS_EXT         0x2041
#define WGL_SAMPLES_EXT                0x2042
#endif

#ifndef WGL_I3D_digital_video_control
#define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_FRAMEBUFFER_I3D 0x2050
#define WGL_DIGITAL_VIDEO_CURSOR_ALPHA_VALUE_I3D 0x2051
#define WGL_DIGITAL_VIDEO_CURSOR_INCLUDED_I3D 0x2052
#define WGL_DIGITAL_VIDEO_GAMMA_CORRECTED_I3D 0x2053
#endif

#ifndef WGL_I3D_gamma
#define WGL_GAMMA_TABLE_SIZE_I3D       0x204E
#define WGL_GAMMA_EXCLUDE_DESKTOP_I3D  0x204F
#endif

#ifndef WGL_I3D_genlock
#define WGL_GENLOCK_SOURCE_MULTIVIEW_I3D 0x2044
#define WGL_GENLOCK_SOURCE_EXTENAL_SYNC_I3D 0x2045
#define WGL_GENLOCK_SOURCE_EXTENAL_FIELD_I3D 0x2046
#define WGL_GENLOCK_SOURCE_EXTENAL_TTL_I3D 0x2047
#define WGL_GENLOCK_SOURCE_DIGITAL_SYNC_I3D 0x2048
#define WGL_GENLOCK_SOURCE_DIGITAL_FIELD_I3D 0x2049
#define WGL_GENLOCK_SOURCE_EDGE_FALLING_I3D 0x204A
#define WGL_GENLOCK_SOURCE_EDGE_RISING_I3D 0x204B
#define WGL_GENLOCK_SOURCE_EDGE_BOTH_I3D 0x204C
#endif

#ifndef WGL_I3D_image_buffer
#define WGL_IMAGE_BUFFER_MIN_ACCESS_I3D 0x00000001
#define WGL_IMAGE_BUFFER_LOCK_I3D      0x00000002
#endif

#ifndef WGL_I3D_swap_frame_lock
#endif

#ifndef WGL_NV_render_depth_texture
#define WGL_BIND_TO_TEXTURE_DEPTH_NV   0x20A3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_DEPTH_NV 0x20A4
#define WGL_DEPTH_TEXTURE_FORMAT_NV    0x20A5
#define WGL_TEXTURE_DEPTH_COMPONENT_NV 0x20A6
#define WGL_DEPTH_COMPONENT_NV         0x20A7
#endif

#ifndef WGL_NV_render_texture_rectangle
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGB_NV 0x20A0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_RGBA_NV 0x20A1
#define WGL_TEXTURE_RECTANGLE_NV       0x20A2
#endif

#ifndef WGL_NV_float_buffer
#define WGL_FLOAT_COMPONENTS_NV        0x20B0
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_R_NV 0x20B1
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RG_NV 0x20B2
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGB_NV 0x20B3
#define WGL_BIND_TO_TEXTURE_RECTANGLE_FLOAT_RGBA_NV 0x20B4
#define WGL_TEXTURE_FLOAT_R_NV         0x20B5
#define WGL_TEXTURE_FLOAT_RG_NV        0x20B6
#define WGL_TEXTURE_FLOAT_RGB_NV       0x20B7
#define WGL_TEXTURE_FLOAT_RGBA_NV      0x20B8
#endif


	/*************************************************************/

#ifndef WGL_ARB_pbuffer
	DECLARE_HANDLE(HPBUFFERARB);
#endif
#ifndef WGL_EXT_pbuffer
	DECLARE_HANDLE(HPBUFFEREXT);
#endif

#ifndef WGL_ARB_buffer_region
#define WGL_ARB_buffer_region 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern HANDLE WINAPI wglCreateBufferRegionARB (HDC, int, UINT);
	extern VOID WINAPI wglDeleteBufferRegionARB (HANDLE);
	extern BOOL WINAPI wglSaveBufferRegionARB (HANDLE, int, int, int, int);
	extern BOOL WINAPI wglRestoreBufferRegionARB (HANDLE, int, int, int, int, int, int);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef HANDLE (WINAPI* PFNWGLCREATEBUFFERREGIONARBPROC) (HDC hDC, int iLayerPlane, UINT uType);
	typedef VOID (WINAPI* PFNWGLDELETEBUFFERREGIONARBPROC) (HANDLE hRegion);
	typedef BOOL (WINAPI* PFNWGLSAVEBUFFERREGIONARBPROC) (HANDLE hRegion, int x, int y, int width, int height);
	typedef BOOL (WINAPI* PFNWGLRESTOREBUFFERREGIONARBPROC) (HANDLE hRegion, int x, int y, int width, int height, int xSrc, int ySrc);
#endif

#ifndef WGL_ARB_multisample
#define WGL_ARB_multisample 1
#endif

#ifndef WGL_ARB_extensions_string
#define WGL_ARB_extensions_string 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern const char* WINAPI wglGetExtensionsStringARB (HDC);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef const char* (WINAPI* PFNWGLGETEXTENSIONSSTRINGARBPROC) (HDC hdc);
#endif

#ifndef WGL_ARB_pixel_format
#define WGL_ARB_pixel_format 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglGetPixelFormatAttribivARB (HDC, int, int, UINT, const int*, int*);
	extern BOOL WINAPI wglGetPixelFormatAttribfvARB (HDC, int, int, UINT, const int*, FLOAT*);
	extern BOOL WINAPI wglChoosePixelFormatARB (HDC, const int*, const FLOAT*, UINT, int*, UINT*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLGETPIXELFORMATATTRIBIVARBPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int* piAttributes, int* piValues);
	typedef BOOL (WINAPI* PFNWGLGETPIXELFORMATATTRIBFVARBPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, const int* piAttributes, FLOAT* pfValues);
	typedef BOOL (WINAPI* PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int* piAttribIList, const FLOAT* pfAttribFList, UINT nMaxFormats, int* piFormats, UINT* nNumFormats);
#endif

#ifndef WGL_ARB_make_current_read
#define WGL_ARB_make_current_read 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglMakeContextCurrentARB (HDC, HDC, HGLRC);
	extern HDC WINAPI wglGetCurrentReadDCARB (void);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLMAKECONTEXTCURRENTARBPROC) (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
	typedef HDC (WINAPI* PFNWGLGETCURRENTREADDCARBPROC) (void);
#endif

#ifndef WGL_ARB_pbuffer
#define WGL_ARB_pbuffer 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern HPBUFFERARB WINAPI wglCreatePbufferARB (HDC, int, int, int, const int*);
	extern HDC WINAPI wglGetPbufferDCARB (HPBUFFERARB);
	extern int WINAPI wglReleasePbufferDCARB (HPBUFFERARB, HDC);
	extern BOOL WINAPI wglDestroyPbufferARB (HPBUFFERARB);
	extern BOOL WINAPI wglQueryPbufferARB (HPBUFFERARB, int, int*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef HPBUFFERARB (WINAPI* PFNWGLCREATEPBUFFERARBPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int* piAttribList);
	typedef HDC (WINAPI* PFNWGLGETPBUFFERDCARBPROC) (HPBUFFERARB hPbuffer);
	typedef int (WINAPI* PFNWGLRELEASEPBUFFERDCARBPROC) (HPBUFFERARB hPbuffer, HDC hDC);
	typedef BOOL (WINAPI* PFNWGLDESTROYPBUFFERARBPROC) (HPBUFFERARB hPbuffer);
	typedef BOOL (WINAPI* PFNWGLQUERYPBUFFERARBPROC) (HPBUFFERARB hPbuffer, int iAttribute, int* piValue);
#endif

#ifndef WGL_ARB_render_texture
#define WGL_ARB_render_texture 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglBindTexImageARB (HPBUFFERARB, int);
	extern BOOL WINAPI wglReleaseTexImageARB (HPBUFFERARB, int);
	extern BOOL WINAPI wglSetPbufferAttribARB (HPBUFFERARB, const int*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLBINDTEXIMAGEARBPROC) (HPBUFFERARB hPbuffer, int iBuffer);
	typedef BOOL (WINAPI* PFNWGLRELEASETEXIMAGEARBPROC) (HPBUFFERARB hPbuffer, int iBuffer);
	typedef BOOL (WINAPI* PFNWGLSETPBUFFERATTRIBARBPROC) (HPBUFFERARB hPbuffer, const int* piAttribList);
#endif

#ifndef WGL_EXT_display_color_table
#define WGL_EXT_display_color_table 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern GLboolean WINAPI wglCreateDisplayColorTableEXT (GLushort);
	extern GLboolean WINAPI wglLoadDisplayColorTableEXT (const GLushort*, GLuint);
	extern GLboolean WINAPI wglBindDisplayColorTableEXT (GLushort);
	extern VOID WINAPI wglDestroyDisplayColorTableEXT (GLushort);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef GLboolean (WINAPI* PFNWGLCREATEDISPLAYCOLORTABLEEXTPROC) (GLushort id);
	typedef GLboolean (WINAPI* PFNWGLLOADDISPLAYCOLORTABLEEXTPROC) (const GLushort* table, GLuint length);
	typedef GLboolean (WINAPI* PFNWGLBINDDISPLAYCOLORTABLEEXTPROC) (GLushort id);
	typedef VOID (WINAPI* PFNWGLDESTROYDISPLAYCOLORTABLEEXTPROC) (GLushort id);
#endif

#ifndef WGL_EXT_extensions_string
#define WGL_EXT_extensions_string 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern const char* WINAPI wglGetExtensionsStringEXT (void);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef const char* (WINAPI* PFNWGLGETEXTENSIONSSTRINGEXTPROC) (void);
#endif

#ifndef WGL_EXT_make_current_read
#define WGL_EXT_make_current_read 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglMakeContextCurrentEXT (HDC, HDC, HGLRC);
	extern HDC WINAPI wglGetCurrentReadDCEXT (void);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLMAKECONTEXTCURRENTEXTPROC) (HDC hDrawDC, HDC hReadDC, HGLRC hglrc);
	typedef HDC (WINAPI* PFNWGLGETCURRENTREADDCEXTPROC) (void);
#endif

#ifndef WGL_EXT_pbuffer
#define WGL_EXT_pbuffer 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern HPBUFFEREXT WINAPI wglCreatePbufferEXT (HDC, int, int, int, const int*);
	extern HDC WINAPI wglGetPbufferDCEXT (HPBUFFEREXT);
	extern int WINAPI wglReleasePbufferDCEXT (HPBUFFEREXT, HDC);
	extern BOOL WINAPI wglDestroyPbufferEXT (HPBUFFEREXT);
	extern BOOL WINAPI wglQueryPbufferEXT (HPBUFFEREXT, int, int*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef HPBUFFEREXT (WINAPI* PFNWGLCREATEPBUFFEREXTPROC) (HDC hDC, int iPixelFormat, int iWidth, int iHeight, const int* piAttribList);
	typedef HDC (WINAPI* PFNWGLGETPBUFFERDCEXTPROC) (HPBUFFEREXT hPbuffer);
	typedef int (WINAPI* PFNWGLRELEASEPBUFFERDCEXTPROC) (HPBUFFEREXT hPbuffer, HDC hDC);
	typedef BOOL (WINAPI* PFNWGLDESTROYPBUFFEREXTPROC) (HPBUFFEREXT hPbuffer);
	typedef BOOL (WINAPI* PFNWGLQUERYPBUFFEREXTPROC) (HPBUFFEREXT hPbuffer, int iAttribute, int* piValue);
#endif

#ifndef WGL_EXT_pixel_format
#define WGL_EXT_pixel_format 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglGetPixelFormatAttribivEXT (HDC, int, int, UINT, int*, int*);
	extern BOOL WINAPI wglGetPixelFormatAttribfvEXT (HDC, int, int, UINT, int*, FLOAT*);
	extern BOOL WINAPI wglChoosePixelFormatEXT (HDC, const int*, const FLOAT*, UINT, int*, UINT*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLGETPIXELFORMATATTRIBIVEXTPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, int* piValues);
	typedef BOOL (WINAPI* PFNWGLGETPIXELFORMATATTRIBFVEXTPROC) (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, FLOAT* pfValues);
	typedef BOOL (WINAPI* PFNWGLCHOOSEPIXELFORMATEXTPROC) (HDC hdc, const int* piAttribIList, const FLOAT* pfAttribFList, UINT nMaxFormats, int* piFormats, UINT* nNumFormats);
#endif

#ifndef WGL_EXT_swap_control
#define WGL_EXT_swap_control 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglSwapIntervalEXT (int);
	extern int WINAPI wglGetSwapIntervalEXT (void);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLSWAPINTERVALEXTPROC) (int interval);
	typedef int (WINAPI* PFNWGLGETSWAPINTERVALEXTPROC) (void);
#endif

#ifndef WGL_EXT_depth_float
#define WGL_EXT_depth_float 1
#endif

#ifndef WGL_NV_vertex_array_range
#define WGL_NV_vertex_array_range 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern void* WINAPI wglAllocateMemoryNV (GLsizei, GLfloat, GLfloat, GLfloat);
	extern void WINAPI wglFreeMemoryNV (void*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef void* (WINAPI* PFNWGLALLOCATEMEMORYNVPROC) (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority);
	typedef void (WINAPI* PFNWGLFREEMEMORYNVPROC) (void* pointer);
#endif

#ifndef WGL_3DFX_multisample
#define WGL_3DFX_multisample 1
#endif

#ifndef WGL_EXT_multisample
#define WGL_EXT_multisample 1
#endif

#ifndef WGL_OML_sync_control
#define WGL_OML_sync_control 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglGetSyncValuesOML (HDC, INT64*, INT64*, INT64*);
	extern BOOL WINAPI wglGetMscRateOML (HDC, INT32*, INT32*);
	extern INT64 WINAPI wglSwapBuffersMscOML (HDC, INT64, INT64, INT64);
	extern INT64 WINAPI wglSwapLayerBuffersMscOML (HDC, int, INT64, INT64, INT64);
	extern BOOL WINAPI wglWaitForMscOML (HDC, INT64, INT64, INT64, INT64*, INT64*, INT64*);
	extern BOOL WINAPI wglWaitForSbcOML (HDC, INT64, INT64*, INT64*, INT64*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLGETSYNCVALUESOMLPROC) (HDC hdc, INT64* ust, INT64* msc, INT64* sbc);
	typedef BOOL (WINAPI* PFNWGLGETMSCRATEOMLPROC) (HDC hdc, INT32* numerator, INT32* denominator);
	typedef INT64 (WINAPI* PFNWGLSWAPBUFFERSMSCOMLPROC) (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder);
	typedef INT64 (WINAPI* PFNWGLSWAPLAYERBUFFERSMSCOMLPROC) (HDC hdc, int fuPlanes, INT64 target_msc, INT64 divisor, INT64 remainder);
	typedef BOOL (WINAPI* PFNWGLWAITFORMSCOMLPROC) (HDC hdc, INT64 target_msc, INT64 divisor, INT64 remainder, INT64* ust, INT64* msc, INT64* sbc);
	typedef BOOL (WINAPI* PFNWGLWAITFORSBCOMLPROC) (HDC hdc, INT64 target_sbc, INT64* ust, INT64* msc, INT64* sbc);
#endif

#ifndef WGL_I3D_digital_video_control
#define WGL_I3D_digital_video_control 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglGetDigitalVideoParametersI3D (HDC, int, int*);
	extern BOOL WINAPI wglSetDigitalVideoParametersI3D (HDC, int, const int*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLGETDIGITALVIDEOPARAMETERSI3DPROC) (HDC hDC, int iAttribute, int* piValue);
	typedef BOOL (WINAPI* PFNWGLSETDIGITALVIDEOPARAMETERSI3DPROC) (HDC hDC, int iAttribute, const int* piValue);
#endif

#ifndef WGL_I3D_gamma
#define WGL_I3D_gamma 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglGetGammaTableParametersI3D (HDC, int, int*);
	extern BOOL WINAPI wglSetGammaTableParametersI3D (HDC, int, const int*);
	extern BOOL WINAPI wglGetGammaTableI3D (HDC, int, USHORT*, USHORT*, USHORT*);
	extern BOOL WINAPI wglSetGammaTableI3D (HDC, int, const USHORT*, const USHORT*, const USHORT*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLGETGAMMATABLEPARAMETERSI3DPROC) (HDC hDC, int iAttribute, int* piValue);
	typedef BOOL (WINAPI* PFNWGLSETGAMMATABLEPARAMETERSI3DPROC) (HDC hDC, int iAttribute, const int* piValue);
	typedef BOOL (WINAPI* PFNWGLGETGAMMATABLEI3DPROC) (HDC hDC, int iEntries, USHORT* puRed, USHORT* puGreen, USHORT* puBlue);
	typedef BOOL (WINAPI* PFNWGLSETGAMMATABLEI3DPROC) (HDC hDC, int iEntries, const USHORT* puRed, const USHORT* puGreen, const USHORT* puBlue);
#endif

#ifndef WGL_I3D_genlock
#define WGL_I3D_genlock 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglEnableGenlockI3D (HDC);
	extern BOOL WINAPI wglDisableGenlockI3D (HDC);
	extern BOOL WINAPI wglIsEnabledGenlockI3D (HDC, BOOL*);
	extern BOOL WINAPI wglGenlockSourceI3D (HDC, UINT);
	extern BOOL WINAPI wglGetGenlockSourceI3D (HDC, UINT*);
	extern BOOL WINAPI wglGenlockSourceEdgeI3D (HDC, UINT);
	extern BOOL WINAPI wglGetGenlockSourceEdgeI3D (HDC, UINT*);
	extern BOOL WINAPI wglGenlockSampleRateI3D (HDC, UINT);
	extern BOOL WINAPI wglGetGenlockSampleRateI3D (HDC, UINT*);
	extern BOOL WINAPI wglGenlockSourceDelayI3D (HDC, UINT);
	extern BOOL WINAPI wglGetGenlockSourceDelayI3D (HDC, UINT*);
	extern BOOL WINAPI wglQueryGenlockMaxSourceDelayI3D (HDC, UINT*, UINT*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLENABLEGENLOCKI3DPROC) (HDC hDC);
	typedef BOOL (WINAPI* PFNWGLDISABLEGENLOCKI3DPROC) (HDC hDC);
	typedef BOOL (WINAPI* PFNWGLISENABLEDGENLOCKI3DPROC) (HDC hDC, BOOL* pFlag);
	typedef BOOL (WINAPI* PFNWGLGENLOCKSOURCEI3DPROC) (HDC hDC, UINT uSource);
	typedef BOOL (WINAPI* PFNWGLGETGENLOCKSOURCEI3DPROC) (HDC hDC, UINT* uSource);
	typedef BOOL (WINAPI* PFNWGLGENLOCKSOURCEEDGEI3DPROC) (HDC hDC, UINT uEdge);
	typedef BOOL (WINAPI* PFNWGLGETGENLOCKSOURCEEDGEI3DPROC) (HDC hDC, UINT* uEdge);
	typedef BOOL (WINAPI* PFNWGLGENLOCKSAMPLERATEI3DPROC) (HDC hDC, UINT uRate);
	typedef BOOL (WINAPI* PFNWGLGETGENLOCKSAMPLERATEI3DPROC) (HDC hDC, UINT* uRate);
	typedef BOOL (WINAPI* PFNWGLGENLOCKSOURCEDELAYI3DPROC) (HDC hDC, UINT uDelay);
	typedef BOOL (WINAPI* PFNWGLGETGENLOCKSOURCEDELAYI3DPROC) (HDC hDC, UINT* uDelay);
	typedef BOOL (WINAPI* PFNWGLQUERYGENLOCKMAXSOURCEDELAYI3DPROC) (HDC hDC, UINT* uMaxLineDelay, UINT* uMaxPixelDelay);
#endif

#ifndef WGL_I3D_image_buffer
#define WGL_I3D_image_buffer 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern LPVOID WINAPI wglCreateImageBufferI3D (HDC, DWORD, UINT);
	extern BOOL WINAPI wglDestroyImageBufferI3D (HDC, LPVOID);
	extern BOOL WINAPI wglAssociateImageBufferEventsI3D (HDC, const HANDLE*, const LPVOID*, const DWORD*, UINT);
	extern BOOL WINAPI wglReleaseImageBufferEventsI3D (HDC, const LPVOID*, UINT);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef LPVOID (WINAPI* PFNWGLCREATEIMAGEBUFFERI3DPROC) (HDC hDC, DWORD dwSize, UINT uFlags);
	typedef BOOL (WINAPI* PFNWGLDESTROYIMAGEBUFFERI3DPROC) (HDC hDC, LPVOID pAddress);
	typedef BOOL (WINAPI* PFNWGLASSOCIATEIMAGEBUFFEREVENTSI3DPROC) (HDC hDC, const HANDLE* pEvent, const LPVOID* pAddress, const DWORD* pSize, UINT count);
	typedef BOOL (WINAPI* PFNWGLRELEASEIMAGEBUFFEREVENTSI3DPROC) (HDC hDC, const LPVOID* pAddress, UINT count);
#endif

#ifndef WGL_I3D_swap_frame_lock
#define WGL_I3D_swap_frame_lock 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglEnableFrameLockI3D (void);
	extern BOOL WINAPI wglDisableFrameLockI3D (void);
	extern BOOL WINAPI wglIsEnabledFrameLockI3D (BOOL*);
	extern BOOL WINAPI wglQueryFrameLockMasterI3D (BOOL*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLENABLEFRAMELOCKI3DPROC) (void);
	typedef BOOL (WINAPI* PFNWGLDISABLEFRAMELOCKI3DPROC) (void);
	typedef BOOL (WINAPI* PFNWGLISENABLEDFRAMELOCKI3DPROC) (BOOL* pFlag);
	typedef BOOL (WINAPI* PFNWGLQUERYFRAMELOCKMASTERI3DPROC) (BOOL* pFlag);
#endif

#ifndef WGL_I3D_swap_frame_usage
#define WGL_I3D_swap_frame_usage 1
#ifdef WGL_WGLEXT_PROTOTYPES
	extern BOOL WINAPI wglGetFrameUsageI3D (float*);
	extern BOOL WINAPI wglBeginFrameTrackingI3D (void);
	extern BOOL WINAPI wglEndFrameTrackingI3D (void);
	extern BOOL WINAPI wglQueryFrameTrackingI3D (DWORD*, DWORD*, float*);
#endif /* WGL_WGLEXT_PROTOTYPES */
	typedef BOOL (WINAPI* PFNWGLGETFRAMEUSAGEI3DPROC) (float* pUsage);
	typedef BOOL (WINAPI* PFNWGLBEGINFRAMETRACKINGI3DPROC) (void);
	typedef BOOL (WINAPI* PFNWGLENDFRAMETRACKINGI3DPROC) (void);
	typedef BOOL (WINAPI* PFNWGLQUERYFRAMETRACKINGI3DPROC) (DWORD* pFrameCount, DWORD* pMissedFrames, float* pLastMissedUsage);
#endif


#ifdef __cplusplus
}
#endif

#endif
